Marsh & McLennan Companies, Inc. booked $27.0B in FY2025 revenue, growing 10% year over year — about the middle of the pack among Financial Services companies we track, at a 15.4% net margin.
Financials: SEC EDGAR (XBRL), USD-normalized per IAS 21 · TTM/quarterly + segments: FMP from filed disclosures · Filings: EDGAR submissions. County headcount and EA Score are in progress — see docs/DATA_GAPS.md.